/*
 * MIT License
 *
 * Copyright (c) 2021-2099 Oscura (xingshuang) <xingshuang_cool@163.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.github.xingshuangs.iot.utils;

import org.junit.Assert;
import org.junit.Test;

import static org.junit.Assert.*;


public class BCDUtilTest {

    @Test
    public void toInt() {
    }

    @Test
    public void toByte() {
        byte[] expect = new byte[]{(byte) 0x23, (byte) 0x01};
        int i = BCDUtil.toInt(expect);
        System.out.println(i);
        Assert.assertEquals(2301, i);
    }

    @Test
    public void toByte1() {
        byte[] expect = new byte[]{(byte) 0x23, (byte) 0x01};
        int i = BCDUtil.toInt(expect, 3);
        System.out.println(i);
        Assert.assertEquals(301, i);
    }

    @Test
    public void numDigits() {
        int[] testValues = {0, 5, 123, 98765, -4567};
        for (int val : testValues) {
            System.out.printf("%d 的位数 = %d%n", val, BCDUtil.numDigits(val));
        }
        double v = Math.log10(10056);
        System.out.println(v);
    }

    @Test
    public void toBytes() {
        int[] testValues = {0, 5, 25, 123, 1234, 987654};
        for (int val : testValues) {
            byte[] bcd = BCDUtil.toBytes(val, 2);
            System.out.printf("%d -> BCD: ", val);
            for (byte b : bcd) {
                System.out.printf("0x%02X ", b);
            }
            System.out.println();
        }
    }
}